/*
 * @(#)MD5.java,        2012-8-28
 *
 * Copyright (c) 2011 ������Ԫ��������޹�˾
 * All rights reserved.
 *
 * ����Դ�������ڹ�˾�ڲ�ʹ�ã����ڲ�ͬ���Ż���Ŀ��֮�乲��ʹ�ã�
 * ���ܴ��������ϻ򴫵ݸ�Ǳ���˾�ĸ��˻���֯ʹ�á�
 * =======================================================
 * ��˾��ַ��������ͭ��·���԰���C��28��
 * ��    �ࣺ350003
 * ��    ����+86-0591-87883788
 * ��    �棺+86-0591-87883838
 * ��    ַ��http://www.sunnada.com/
 */

package com.sunnada.edu.system.pub.util;

import java.security.MessageDigest;

/**  
 * <p>Title: MD5</p>   
 * <p>Description: </p>   
 * @author Weixl  2012-8-28
 * @version 1.0  
 * <hr>
 * �޸ļ�¼
 * <hr>
 * 1���޸���Ա:    �޸�ʱ��:<br>       
 *    �޸�����:
 * <hr>
 */
public class MD5 {
	
	public static String md5Des(String s) {
		char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
				'a', 'b', 'c', 'd', 'e', 'f' };
		try {
			byte[] strTemp = s.getBytes();
			MessageDigest mdTemp = MessageDigest.getInstance("MD5");
			mdTemp.update(strTemp);
			byte[] md = mdTemp.digest();
			int j = md.length;
			char str[] = new char[j * 2];
			int k = 0;
			for (int i = 0; i < j; i++) {
				byte byte0 = md[i];
				str[k++] = hexDigits[byte0 >>> 4 & 0xf];
				str[k++] = hexDigits[byte0 & 0xf];
			}
			return new String(str);
		} catch (Exception e) {
			return null;
		}
	}
	
	public static void main(String[] args) {
		System.out.println(MD5.md5Des("10190640317140721104504001090120140811211234wcfminir6xvssuwuzlhxxavme9prv4hi"));
	}
}


